Granted Patent
Utility
US 6,445,510 · App. 09/678,715
Optical imaging device, in particular lens system, with at least one system diaphragm
Inventors:
Karlheinz Schuster, Thomas C. Bischoff, Bernhard Gellrich, Michael Muehlbeyer, Guenter Maul
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Oct 4, 2000
Inventors
Karlheinz Schuster
Thomas C. Bischoff
Bernhard Gellrich
Michael Muehlbeyer
Guenter Maul
Assignee (at issue)
Carl Zeiss Stiftung
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.